diff --git a/direct/src/extensions/Datagram-extensions.py b/direct/src/extensions/Datagram-extensions.py
index 9c6c2f1234..67b0c374b0 100644
--- a/direct/src/extensions/Datagram-extensions.py
+++ b/direct/src/extensions/Datagram-extensions.py
@@ -25,7 +25,7 @@
                 self.addString(arg)
             elif subatomicType == DCSubatomicType.STBlob:
                 self.addString(arg)
-            elif subatomicType == DCSubatomicType.STBlob32:
+            elif hasattr(DCSubatomicType, "STBlob32") and subatomicType == DCSubatomicType.STBlob32:
                 self.addString32(arg)
             elif subatomicType == DCSubatomicType.STInt8array:
                 self.addUint16(len(arg))
diff --git a/direct/src/extensions/DatagramIterator-extensions.py b/direct/src/extensions/DatagramIterator-extensions.py
index 3475a7ea61..f4d4974dae 100644
--- a/direct/src/extensions/DatagramIterator-extensions.py
+++ b/direct/src/extensions/DatagramIterator-extensions.py
@@ -26,7 +26,7 @@
                 retVal = self.getString()
             elif subatomicType == DCSubatomicType.STBlob:
                 retVal = self.getString()
-            elif subatomicType == DCSubatomicType.STBlob32:
+            elif hasattr(DCSubatomicType, "STBlob32") and subatomicType == DCSubatomicType.STBlob32:
                 retVal = self.getString32()
             elif subatomicType == DCSubatomicType.STInt8array:
                 len = self.getUint16()